JPS63147270U - - Google Patents
Info
- Publication number
- JPS63147270U JPS63147270U JP4127887U JP4127887U JPS63147270U JP S63147270 U JPS63147270 U JP S63147270U JP 4127887 U JP4127887 U JP 4127887U JP 4127887 U JP4127887 U JP 4127887U JP S63147270 U JPS63147270 U JP S63147270U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- hydraulic
- impact wrench
- hydraulic motor
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Description
図面は本考案の実施例を示し、第１図は油圧イ
ンパクトレンチの要部を断面で示した側面図、第
２図は第１図の―断面図、第３図は作動状態
の説明図、第４図は油圧回路図である。
１……打撃機構部、２……油圧モータ、３……
ハンドル部、４……供給管路、５……戻り管路、
６……圧力補償スプール、７……可変絞り弁、８
……方向切換えスプール、９……起動停止スプー
ル、１０……油圧ポンプ、１１……アンビル、１
２……ハンマ。
The drawings show an embodiment of the present invention, in which Fig. 1 is a side view showing the main parts of the hydraulic impact wrench in cross section, Fig. 2 is a cross-sectional view of Fig. 1, and Fig. 3 is an explanatory diagram of the operating state. FIG. 4 is a hydraulic circuit diagram. 1...Blow mechanism section, 2...Hydraulic motor, 3...
Handle part, 4... Supply pipe line, 5... Return pipe line,
6...Pressure compensation spool, 7...Variable throttle valve, 8
...Direction switching spool, 9...Start/stop spool, 10...Hydraulic pump, 11...Anvil, 1
2...Hammer.
Claims (1)
ータによつて作動させるようにした油圧インパク
トレンチにおいて、前記油圧モータに圧油を供給
する管路に圧油の圧力が高くなると圧油の一部を
戻り管路に逃がす圧力補償スプールを備えるとと
もに、該圧力補償スプールを通つた圧油の流量を
制御する可変絞り弁を備えたことを特徴とする油
圧インパクトレンチ。 In a hydraulic impact wrench in which a striking mechanism unit including a hammer and an anvil is operated by a hydraulic motor, when the pressure of the pressure oil increases in a pipe line that supplies pressure oil to the hydraulic motor, a portion of the pressure oil is removed. A hydraulic impact wrench comprising a pressure compensating spool for releasing pressure into a return pipe, and a variable throttle valve for controlling the flow rate of pressurized oil passing through the pressure compensating spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4127887U JPS63147270U (en) | 1987-03-20 | 1987-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4127887U JPS63147270U (en) | 1987-03-20 | 1987-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63147270U true JPS63147270U (en) | 1988-09-28 |
Family
ID=30856128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4127887U Pending JPS63147270U (en) | 1987-03-20 | 1987-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63147270U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5036780U (en) * | 1973-07-30 | 1975-04-17 | ||
| JPS5085996A (en) * | 1973-11-28 | 1975-07-10 | ||
| JPS54123800A (en) * | 1978-02-23 | 1979-09-26 | Demag Ag | Oil pressure system screwwdriver device |
-
1987
- 1987-03-20 JP JP4127887U patent/JPS63147270U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5036780U (en) * | 1973-07-30 | 1975-04-17 | ||
| JPS5085996A (en) * | 1973-11-28 | 1975-07-10 | ||
| JPS54123800A (en) * | 1978-02-23 | 1979-09-26 | Demag Ag | Oil pressure system screwwdriver device |